On Wed, 03 Jun 2020 02:36:25 +0200, Hui Wang wrote: > > > On 2020/6/3 上午3:39, Jaroslav Kysela wrote: > > Dne 02. 06. 20 v 19:57 Mukunda, Vijendar napsal(a): > >> We recently up streamed ACP PDM driver for Renoir APU. > >> > >> Our ACP IP has an internal PDM Decoder block where DMIC is directly > >> connected. > >> There are no KControls defined for PDM Driver. > >> > >> Our platform supports on board DMIC and South bridge Azalia (HD > >> Audio ) endpoint . > >> By default, DMIC endpoint is used as audio input device. > >> When Headset Mic jack connected, it's not switching to External Mic. > > > > Make sure that the Headset Mic priority port in pulseaudio is is > > greater than the one for DMIC. > > > >> How does audio endpoint will switch in gnome when external mic is > >> connected? > >>> From our understanding, UCM conf file for HDA driver is also > >>> required for > >> configuring mixer controls for HD Audio capture device. > >> Similarly when External Mic is removed , it has to switch to > >> internal dmic . > > > > An configuration example for UCM (DMIC connected to DSP, HDA codec > > for rest): > > > > https://github.com/alsa-project/alsa-ucm-conf/tree/master/ucm2/sof-hda-dsp > > > > If you need a help to create a new configuration for your hardware, > > show the output from the alsa-info.sh script, please. > > > > Jaroslav > > This audio design is a bit different from sof-hda-dsp, the dmic is on > a standalone sound card. Please see the alsa-info.txt: > > https://pastebin.ubuntu.com/p/4kprhDZYbg/ And that's an interesting case. Can we manage multiple cards in a single UCM profile? Takashi
